Ciaran and Dan look at what makes a planet in this classic episode of Mysteries of Science, and whether there's a mysterious extra planet – Planet X – just beyond Neptune, lurking in our cosmic neighbourhood. 

Ciaran and Dan look at what makes a planet in this classic episode of Mysteries of Science, and whether there's a mysterious extra planet &ndash; Planet X &ndash; just beyond Neptune, lurking in our cosmic neighbourhood.&nbsp;

The team behind The Week Junior's Science+Nature magazine investigate unexplained phenomenon with the help of expert guests.

The team behind The Week Junior's Science+Nature magazine investigate unexplained phenomenon with the help of expert guests.

Unexplained phenomenons investigated for kids

Mysteries of Science

The Week Junior Show takes you behind the scenes of the award-winning magazine for 8 to 14-year-olds. Each week, Bex from Fun Kids is joined by members of The Week Junior team to discuss their favourite stories, debate the week’s hot topic and discover whether the ‘Real or Rubbish?’ report is fake news or the real deal.

The Week Junior Show takes you behind the scenes of the award-winning magazine for 8 to 14-year-olds. Each week, Bex from Fun Kids is joined by members of The Week Junior team to discuss their favourite stories, debate the week&rsquo;s hot topic and discover whether the &lsquo;Real or Rubbish?&rsquo; report is fake news or the real deal.

In search of Planet X

Mysteries of Science

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